The PowerStop Evolution drilled and slotted rotor pair is a direct-fit upgrade for 2012–2018 Mercedes-Benz CLS550 front applications, delivering improved cooling and a cleaner friction surface without special installation steps. Cross-drilled holes and rounded slots evacuate gasses, dust and moisture; chamfered holes reduce stress cracking. Zinc plating adds corrosion protection; rotors are dynamically balanced and sold as a pair.
Power Stop 12-18 Mercedes-Benz CLS550 Front Drilled & Slotted Rotor - Pair